TEST
YOUR RAM
ADD TO PC
BUILD

Kingston

KHX2666C15D4/4G KHX2666C16/8G KHX2666C15D4/4G KHX2666C16/8G 24GB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 86.2% (29th of 115)

Based on 228 user benchmarks.  Model: Kingston KHX2666C15D4/4G KHX2666C16/8G KHX2666C15D4/4G KHX2666C16/8G 24GB
Poor: 70%Average: 86.2% Great: 99%

Popular builds with this RAM

Very good average bench

The Kingston KHX2666C15D4/4G KHX2666C16/8G KHX2666C15D4/4G KHX2666C16/8G 24GB averaged just 13.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston KHX2666C15D4/4G KHX2666C16/8G KHX2666C15D4/4G KHX2666C16/8G 24GB near the top of the comparison list.

Strengths

Avg. 1 Core Write Bench 32.8GB/s
Avg. 16 Core Write Bench 32.4GB/s

Good consistency

The range of scores (95th - 5th percentile) for the Kingston KHX2666C15D4/4G KHX2666C16/8G KHX2666C15D4/4G KHX2666C16/8G 24GB is 28.8%. This is a relatively narrow range which indicates that the Kingston KHX2666C15D4/4G KHX2666C16/8G KHX2666C15D4/4G KHX2666C16/8G 24GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 74.4ns
Avg. 1 Core Read Bench 19.2GB/s
ADVERTISEMENT

Average Bench

(Based on 228 samples)
Rank 2986.2%
Min Avg Max
25.6 MC Read 32.3 38.4
21.3 MC Write 32.4 37.2
22.6 MC Mixed 28 33.9
88.3% 30.9 GB/s
Min Avg Max
13.6 SC Read 19.2 25
20 SC Write 32.8 39.2
19.1 SC Mixed 25.6 30.8
73.8% 25.8 GB/s
Min Avg Max
57.1 Latency 74.4 102
53.8% 74.4 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2666, 2666, 2666, 2666 MHz
4096, 8192, 4096, 8192 MB
95.3% Outstanding
MC Read 39.3
MC Write 32.8
MC Mixed 33.2
100% 35.1 GB/s
SC Read 26.2
SC Write 18.9
SC Mixed 32.6
74% 25.9 GB/s
Latency 77.8
51% 77.8 ns
2666, 2666, 2666, 2666 MHz
4096, 8192, 4096, 8192 MB
90.1% Outstanding
MC Read 33.6
MC Write 35.7
MC Mixed 27.8
92% 32.4 GB/s
SC Read 17.9
SC Write 37
SC Mixed 25.5
77% 26.8 GB/s
Latency 67.3
59% 67.3 ns
2667, 2667, 2667, 2667 MHz
4096, 8192, 4096, 8192 MB
90% Outstanding
MC Read 32.8
MC Write 35.2
MC Mixed 27.9
91% 32 GB/s
SC Read 18.1
SC Write 36.6
SC Mixed 26.7
78% 27.1 GB/s
Latency 59.3
68% 59.3 ns
2667, 2667, 2667, 2667 MHz
4096, 8192, 4096, 8192 MB
86.8% Excellent
MC Read 31.2
MC Write 33.5
MC Mixed 27.3
88% 30.7 GB/s
SC Read 17.4
SC Write 36.1
SC Mixed 26
76% 26.5 GB/s
Latency 58.9
68% 58.9 ns
2667, 2667, 2667, 2667 MHz
4096, 8192, 4096, 8192 MB
86% Excellent
MC Read 31.8
MC Write 33
MC Mixed 27.5
88% 30.8 GB/s
SC Read 18.4
SC Write 32.3
SC Mixed 25.4
72% 25.4 GB/s
Latency 65.4
61% 65.4 ns
2666, 2666, 2666, 2666 MHz
4096, 8192, 4096, 8192 MB
80.2% Excellent
MC Read 28.7
MC Write 30.5
MC Mixed 28.4
83% 29.2 GB/s
SC Read 19.8
SC Write 28.1
SC Mixed 22.4
67% 23.4 GB/s
Latency 93.6
43% 93.6 ns
2666, 2666, 2666, 2666 MHz
4096, 8192, 4096, 8192 MB
77.4% Very good
MC Read 28.9
MC Write 27.7
MC Mixed 28
81% 28.2 GB/s
SC Read 19
SC Write 26.7
SC Mixed 21.9
64% 22.5 GB/s
Latency 96.8
41% 96.8 ns
2667, 2667, 2667, 2667 MHz
4096, 8192, 4096, 8192 MB
70.8% Very good
MC Read 25.2
MC Write 28.3
MC Mixed 24.4
74% 26 GB/s
SC Read 13.1
SC Write 25.3
SC Mixed 12.9
49% 17.1 GB/s
Latency 71.7
56% 71.7 ns
228 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,053,987 RAM Kits tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical KHX2666C15D4/4G KHX2666C16/8G KHX2666C15D4/4G KHX2666C16/8G 24GB Builds (Compare 1,546 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 38%
Jet ski
Desktop
Desktop 72%
Battleship
Workstation
Workstation 33%
Sail boat

Motherboard: MSI B350M BAZOOKA (MS-7A38) - $75

CPU
Ryzen 5 1400AMD  $87Bench 61%, 71,313 samples394x
Ryzen 5 1600AMD  $110Bench 70%, 392,253 samples307x
Ryzen 5 3600AMD  $83Bench 83%, 1,072,639 samples97x
GPU
RX 580AMD  $130Bench 52%, 360,351 samples492x
GTX 1070Nvidia  $132Bench 80%, 1,459,281 samples82x
GTX 1050-TiNvidia  $59Bench 29%, 946,701 samples80x
SSD
860 Evo 500GBSamsung  $80Bench 105%, 762,998 samples36x
860 Evo 1TBSamsung  $130Bench 112%, 602,853 samples35x
A400 240GBKingston  $28Bench 66%, 424,288 samples32x
RAM
KHX2666C15D4/4G KHX2666C16/8G KHX2666C15D4/4G KHX2666C16/8G 24GBKingstonBench 86%, 228 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 73% - Very good Total price: $372

Popular KHX2666C15D4/4G KHX2666C16/8G KHX2666C15D4/4G KHX2666C16/8G 24GB compatible motherboards:

How Fast Is Your RAM? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware
Memory Kit Rankings (Price vs Performance) April 2024 RAM Rankings

We calculate effective RAM speed which measures performance for typical desktop users. Effective speed is adjusted by current cost per GB to yield value for money. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top Memory Kits. [RAMPro]

ADVERTISEMENT

Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

Added n/a ago.
Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 5 years

Speed Comparisons

vs Corsair Vengeance LPX DDR4 3200 C16 2x8GB
vs Corsair Vengeance LPX DDR4 3000 C15 2x8GB
vs G.SKILL Trident Z DDR4 3200 C14 4x16GB
vs G.SKILL Trident Z DDR4 3600 C16 2x8GB
vs HyperX Fury DDR4 2133 C14 2x8GB
vs Corsair Vengeance LPX DDR4 2666 C16 2x8GB
vs Corsair Vengeance LPX DDR4 2133 C13 2x8GB
vs G.SKILL Ripjaws 4 DDR4 2400 C14 8x16GB
vs G.SKILL Trident Z DDR4 3200 C16 2x8GB

115 Memory Kits (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different RAM Kits perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

Computer Components FAQ
What is the UBM value for money rating?
What is UBM Effective Speed?
Thunderbolt speed?
Are USB 3.0 cables different?
USB 3.0 vs 2.0 speed difference?
Why buy USB 3.0 today?
USB 3.0 / 4.0 release dates and max speeds?
Graphics Cards
How to force Optimus or Switchable discrete GPUs?
What are the UBM DX11 GPU tests?
What are the UBM DX10 GPU tests?
What are the UBM DX09 GPU tests?
What is the Splatting GPU benchmark?
What is the Gravity (NBody) GPU benchmark?
Memory Kits
What is the RAM value for money rating?
What is the effective RAM speed index?
What is the system memory latency ladder?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $269Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $178Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback